The 13989 is a mechanical sequence timer with pneumatic actuation, designed for use in ATEX zones including Zone 1, Zone 2, Zone 21, and Zone 22. It features an M5 threaded female pneumatic connection and is part of the PZVT series. The timer is suitable for controlling pneumatic processes and can be used in explosive environments, ensuring compliance with safety standards. It is compatible with other components such as front panel valves and can be integrated into various automation systems.
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